linux/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
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   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009-2012  Realtek Corporation.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of version 2 of the GNU General Public License as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 * You should have received a copy of the GNU General Public License along with
  15 * this program; if not, write to the Free Software Foundation, Inc.,
  16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17 *
  18 * The full GNU General Public License is included in this distribution in the
  19 * file called LICENSE.
  20 *
  21 * Contact Information:
  22 * wlanfae <wlanfae@realtek.com>
  23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24 * Hsinchu 300, Taiwan.
  25 *
  26 * Larry Finger <Larry.Finger@lwfinger.net>
  27 *
  28 *****************************************************************************/
  29
  30#include "../wifi.h"
  31#include "../core.h"
  32#include "../pci.h"
  33#include "../base.h"
  34#include "reg.h"
  35#include "def.h"
  36#include "phy.h"
  37#include "dm.h"
  38#include "hw.h"
  39#include "sw.h"
  40#include "trx.h"
  41#include "led.h"
  42
  43#include <linux/module.h>
  44
  45static void rtl92d_init_aspm_vars(struct ieee80211_hw *hw)
  46{
  47        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  48
  49        /*close ASPM for AMD defaultly */
  50        rtlpci->const_amdpci_aspm = 0;
  51
  52        /*
  53         * ASPM PS mode.
  54         * 0 - Disable ASPM,
  55         * 1 - Enable ASPM without Clock Req,
  56         * 2 - Enable ASPM with Clock Req,
  57         * 3 - Alwyas Enable ASPM with Clock Req,
  58         * 4 - Always Enable ASPM without Clock Req.
  59         * set defult to RTL8192CE:3 RTL8192E:2
  60         * */
  61        rtlpci->const_pci_aspm = 3;
  62
  63        /*Setting for PCI-E device */
  64        rtlpci->const_devicepci_aspm_setting = 0x03;
  65
  66        /*Setting for PCI-E bridge */
  67        rtlpci->const_hostpci_aspm_setting = 0x02;
  68
  69        /*
  70         * In Hw/Sw Radio Off situation.
  71         * 0 - Default,
  72         * 1 - From ASPM setting without low Mac Pwr,
  73         * 2 - From ASPM setting with low Mac Pwr,
  74         * 3 - Bus D3
  75         * set default to RTL8192CE:0 RTL8192SE:2
  76         */
  77        rtlpci->const_hwsw_rfoff_d3 = 0;
  78
  79        /*
  80         * This setting works for those device with
  81         * backdoor ASPM setting such as EPHY setting.
  82         * 0 - Not support ASPM,
  83         * 1 - Support ASPM,
  84         * 2 - According to chipset.
  85         */
  86        rtlpci->const_support_pciaspm = 1;
  87}
  88
  89static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
  90{
  91        int err;
  92        u8 tid;
  93        struct rtl_priv *rtlpriv = rtl_priv(hw);
  94        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  95
  96        rtlpriv->dm.dm_initialgain_enable = true;
  97        rtlpriv->dm.dm_flag = 0;
  98        rtlpriv->dm.disable_framebursting = false;
  99        rtlpriv->dm.thermalvalue = 0;
 100        rtlpriv->dm.useramask = true;
 101
 102        /* dual mac */
 103        if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
 104                rtlpriv->phy.current_channel = 36;
 105        else
 106                rtlpriv->phy.current_channel = 1;
 107
 108        if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
 109                rtlpriv->rtlhal.disable_amsdu_8k = true;
 110                /* No long RX - reduce fragmentation */
 111                rtlpci->rxbuffersize = 4096;
 112        }
 113
 114        rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
 115
 116        rtlpci->receive_config = (
 117                        RCR_APPFCS
 118                        | RCR_AMF
 119                        | RCR_ADF
 120                        | RCR_APP_MIC
 121                        | RCR_APP_ICV
 122                        | RCR_AICV
 123                        | RCR_ACRC32
 124                        | RCR_AB
 125                        | RCR_AM
 126                        | RCR_APM
 127                        | RCR_APP_PHYST_RXFF
 128                        | RCR_HTC_LOC_CTRL
 129        );
 130
 131        rtlpci->irq_mask[0] = (u32) (
 132                        IMR_ROK
 133                        | IMR_VODOK
 134                        | IMR_VIDOK
 135                        | IMR_BEDOK
 136                        | IMR_BKDOK
 137                        | IMR_MGNTDOK
 138                        | IMR_HIGHDOK
 139                        | IMR_BDOK
 140                        | IMR_RDU
 141                        | IMR_RXFOVW
 142        );
 143
 144        rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
 145
 146        /* for debug level */
 147        rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
 148        /* for LPS & IPS */
 149        rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
 150        rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
 151        rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
 152        if (!rtlpriv->psc.inactiveps)
 153                pr_info("Power Save off (module option)\n");
 154        if (!rtlpriv->psc.fwctrl_lps)
 155                pr_info("FW Power Save off (module option)\n");
 156        rtlpriv->psc.reg_fwctrl_lps = 3;
 157        rtlpriv->psc.reg_max_lps_awakeintvl = 5;
 158        /* for ASPM, you can close aspm through
 159         * set const_support_pciaspm = 0 */
 160        rtl92d_init_aspm_vars(hw);
 161
 162        if (rtlpriv->psc.reg_fwctrl_lps == 1)
 163                rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
 164        else if (rtlpriv->psc.reg_fwctrl_lps == 2)
 165                rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
 166        else if (rtlpriv->psc.reg_fwctrl_lps == 3)
 167                rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
 168
 169        /* for early mode */
 170        rtlpriv->rtlhal.earlymode_enable = false;
 171        for (tid = 0; tid < 8; tid++)
 172                skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
 173
 174        /* for firmware buf */
 175        rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
 176        if (!rtlpriv->rtlhal.pfirmware) {
 177                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 178                         "Can't alloc buffer for fw\n");
 179                return 1;
 180        }
 181
 182        rtlpriv->max_fw_size = 0x8000;
 183        pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
 184        pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name);
 185
 186        /* request fw */
 187        err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
 188                                      rtlpriv->io.dev, GFP_KERNEL, hw,
 189                                      rtl_fw_cb);
 190        if (err) {
 191                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 192                         "Failed to request firmware!\n");
 193                return 1;
 194        }
 195
 196        return 0;
 197}
 198
 199static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
 200{
 201        struct rtl_priv *rtlpriv = rtl_priv(hw);
 202        u8 tid;
 203
 204        if (rtlpriv->rtlhal.pfirmware) {
 205                vfree(rtlpriv->rtlhal.pfirmware);
 206                rtlpriv->rtlhal.pfirmware = NULL;
 207        }
 208        for (tid = 0; tid < 8; tid++)
 209                skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
 210}
 211
 212static struct rtl_hal_ops rtl8192de_hal_ops = {
 213        .init_sw_vars = rtl92d_init_sw_vars,
 214        .deinit_sw_vars = rtl92d_deinit_sw_vars,
 215        .read_eeprom_info = rtl92de_read_eeprom_info,
 216        .interrupt_recognized = rtl92de_interrupt_recognized,
 217        .hw_init = rtl92de_hw_init,
 218        .hw_disable = rtl92de_card_disable,
 219        .hw_suspend = rtl92de_suspend,
 220        .hw_resume = rtl92de_resume,
 221        .enable_interrupt = rtl92de_enable_interrupt,
 222        .disable_interrupt = rtl92de_disable_interrupt,
 223        .set_network_type = rtl92de_set_network_type,
 224        .set_chk_bssid = rtl92de_set_check_bssid,
 225        .set_qos = rtl92de_set_qos,
 226        .set_bcn_reg = rtl92de_set_beacon_related_registers,
 227        .set_bcn_intv = rtl92de_set_beacon_interval,
 228        .update_interrupt_mask = rtl92de_update_interrupt_mask,
 229        .get_hw_reg = rtl92de_get_hw_reg,
 230        .set_hw_reg = rtl92de_set_hw_reg,
 231        .update_rate_tbl = rtl92de_update_hal_rate_tbl,
 232        .fill_tx_desc = rtl92de_tx_fill_desc,
 233        .fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
 234        .query_rx_desc = rtl92de_rx_query_desc,
 235        .set_channel_access = rtl92de_update_channel_access_setting,
 236        .radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
 237        .set_bw_mode = rtl92d_phy_set_bw_mode,
 238        .switch_channel = rtl92d_phy_sw_chnl,
 239        .dm_watchdog = rtl92d_dm_watchdog,
 240        .scan_operation_backup = rtl_phy_scan_operation_backup,
 241        .set_rf_power_state = rtl92d_phy_set_rf_power_state,
 242        .led_control = rtl92de_led_control,
 243        .set_desc = rtl92de_set_desc,
 244        .get_desc = rtl92de_get_desc,
 245        .tx_polling = rtl92de_tx_polling,
 246        .enable_hw_sec = rtl92de_enable_hw_security_config,
 247        .set_key = rtl92de_set_key,
 248        .init_sw_leds = rtl92de_init_sw_leds,
 249        .get_bbreg = rtl92d_phy_query_bb_reg,
 250        .set_bbreg = rtl92d_phy_set_bb_reg,
 251        .get_rfreg = rtl92d_phy_query_rf_reg,
 252        .set_rfreg = rtl92d_phy_set_rf_reg,
 253        .linked_set_reg = rtl92d_linked_set_reg,
 254        .get_btc_status = rtl_btc_status_false,
 255};
 256
 257static struct rtl_mod_params rtl92de_mod_params = {
 258        .sw_crypto = false,
 259        .inactiveps = true,
 260        .swctrl_lps = true,
 261        .fwctrl_lps = false,
 262        .debug = DBG_EMERG,
 263};
 264
 265static struct rtl_hal_cfg rtl92de_hal_cfg = {
 266        .bar_id = 2,
 267        .write_readback = true,
 268        .name = "rtl8192de",
 269        .fw_name = "rtlwifi/rtl8192defw.bin",
 270        .ops = &rtl8192de_hal_ops,
 271        .mod_params = &rtl92de_mod_params,
 272
 273        .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
 274        .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
 275        .maps[SYS_CLK] = REG_SYS_CLKR,
 276        .maps[MAC_RCR_AM] = RCR_AM,
 277        .maps[MAC_RCR_AB] = RCR_AB,
 278        .maps[MAC_RCR_ACRC32] = RCR_ACRC32,
 279        .maps[MAC_RCR_ACF] = RCR_ACF,
 280        .maps[MAC_RCR_AAP] = RCR_AAP,
 281
 282        .maps[EFUSE_TEST] = REG_EFUSE_TEST,
 283        .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
 284        .maps[EFUSE_CLK] = 0,   /* just for 92se */
 285        .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
 286        .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
 287        .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
 288        .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
 289        .maps[EFUSE_ANA8M] = 0, /* just for 92se */
 290        .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
 291        .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
 292        .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
 293
 294        .maps[RWCAM] = REG_CAMCMD,
 295        .maps[WCAMI] = REG_CAMWRITE,
 296        .maps[RCAMO] = REG_CAMREAD,
 297        .maps[CAMDBG] = REG_CAMDBG,
 298        .maps[SECR] = REG_SECCFG,
 299        .maps[SEC_CAM_NONE] = CAM_NONE,
 300        .maps[SEC_CAM_WEP40] = CAM_WEP40,
 301        .maps[SEC_CAM_TKIP] = CAM_TKIP,
 302        .maps[SEC_CAM_AES] = CAM_AES,
 303        .maps[SEC_CAM_WEP104] = CAM_WEP104,
 304
 305        .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
 306        .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
 307        .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
 308        .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
 309        .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
 310        .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
 311        .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
 312        .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
 313        .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
 314        .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
 315        .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
 316        .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
 317        .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
 318        .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
 319        .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
 320        .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
 321
 322        .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
 323        .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
 324        .maps[RTL_IMR_BCNINT] = IMR_BCNINT,
 325        .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
 326        .maps[RTL_IMR_RDU] = IMR_RDU,
 327        .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
 328        .maps[RTL_IMR_BDOK] = IMR_BDOK,
 329        .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
 330        .maps[RTL_IMR_TBDER] = IMR_TBDER,
 331        .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
 332        .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
 333        .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
 334        .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
 335        .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
 336        .maps[RTL_IMR_VODOK] = IMR_VODOK,
 337        .maps[RTL_IMR_ROK] = IMR_ROK,
 338        .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
 339
 340        .maps[RTL_RC_CCK_RATE1M] = DESC92_RATE1M,
 341        .maps[RTL_RC_CCK_RATE2M] = DESC92_RATE2M,
 342        .maps[RTL_RC_CCK_RATE5_5M] = DESC92_RATE5_5M,
 343        .maps[RTL_RC_CCK_RATE11M] = DESC92_RATE11M,
 344        .maps[RTL_RC_OFDM_RATE6M] = DESC92_RATE6M,
 345        .maps[RTL_RC_OFDM_RATE9M] = DESC92_RATE9M,
 346        .maps[RTL_RC_OFDM_RATE12M] = DESC92_RATE12M,
 347        .maps[RTL_RC_OFDM_RATE18M] = DESC92_RATE18M,
 348        .maps[RTL_RC_OFDM_RATE24M] = DESC92_RATE24M,
 349        .maps[RTL_RC_OFDM_RATE36M] = DESC92_RATE36M,
 350        .maps[RTL_RC_OFDM_RATE48M] = DESC92_RATE48M,
 351        .maps[RTL_RC_OFDM_RATE54M] = DESC92_RATE54M,
 352
 353        .maps[RTL_RC_HT_RATEMCS7] = DESC92_RATEMCS7,
 354        .maps[RTL_RC_HT_RATEMCS15] = DESC92_RATEMCS15,
 355};
 356
 357static struct pci_device_id rtl92de_pci_ids[] = {
 358        {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
 359        {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
 360        {},
 361};
 362
 363MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
 364
 365MODULE_AUTHOR("lizhaoming       <chaoming_li@realsil.com.cn>");
 366MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
 367MODULE_AUTHOR("Larry Finger     <Larry.Finger@lwfinger.net>");
 368MODULE_LICENSE("GPL");
 369MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
 370MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
 371
 372module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
 373module_param_named(debug, rtl92de_mod_params.debug, int, 0444);
 374module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
 375module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
 376module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
 377MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
 378MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
 379MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
 380MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
 381MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
 382
 383static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
 384
 385static struct pci_driver rtl92de_driver = {
 386        .name = KBUILD_MODNAME,
 387        .id_table = rtl92de_pci_ids,
 388        .probe = rtl_pci_probe,
 389        .remove = rtl_pci_disconnect,
 390        .driver.pm = &rtlwifi_pm_ops,
 391};
 392
 393/* add global spin lock to solve the problem that
 394 * Dul mac register operation on the same time */
 395spinlock_t globalmutex_power;
 396spinlock_t globalmutex_for_fwdownload;
 397spinlock_t globalmutex_for_power_and_efuse;
 398
 399static int __init rtl92de_module_init(void)
 400{
 401        int ret = 0;
 402
 403        spin_lock_init(&globalmutex_power);
 404        spin_lock_init(&globalmutex_for_fwdownload);
 405        spin_lock_init(&globalmutex_for_power_and_efuse);
 406
 407        ret = pci_register_driver(&rtl92de_driver);
 408        if (ret)
 409                RT_ASSERT(false, "No device found\n");
 410        return ret;
 411}
 412
 413static void __exit rtl92de_module_exit(void)
 414{
 415        pci_unregister_driver(&rtl92de_driver);
 416}
 417
 418module_init(rtl92de_module_init);
 419module_exit(rtl92de_module_exit);
 420